Technical Discussion: Solar Electric System - Photovoltaic

Share your questions and experience with others on off-grid and grid-tie solar electric systems. Our own NABCEP PV Certified installers also frequent this forum to lend a hand.

topics

Subject Started by Replies

Mixing panels in series

I know that in a series circuit that the curent throught the circuit will always be the same through through all connected panel...
John Anderson 1

Mixing battery sizes in one battery bank?

I have a 12V battery bank, with two 100Ah AGM batteries, and two 200Ah AGM batteries.  Is this advisable, or should they al...
Matthew E 14

looking to set up for off grid living.

I would like to start setting up a cabin for off grid living and was wondering if there was anyone that could give some pointers...
Shannon Alley 3

Looking for some advice on my camper setup

Hello Experts, I've tried to do my research on a solar setup for my 5x10 cargo trailer conversion camper but have come up w...
Jody Kramer 0

How many pcs of the 120W solar panel do I need?

Hi, I have a project that is: System current: 14A Operating voltage: 240V Operating hr: 6hr Panel opera...
Eric Lee 12

hooking up a blueplanet 3502xi

The 3502 has six DC input terminals:  hot- hot- hot return- return- return I have three DC module strings which output...
ken Dale 0

Help me choose a solar charge controller please

My setup 300Ah battery bank (12V) Solar panels (18V) 300W Placement of panels not ideal but good enough. Panels are vertical...
Jing Wei 2

Grid Tie Inverter 120v into 240v grid?

I'm confused how 120 volt grid tie inverters work with the household 240 volt grid. I know how the grid works with (2) 120 ...
Gordon DeBower 0

golf cart panel and controller

TO WHOM        MY GOLF CART HAS A BANK OF 8(TOTAL) 6VOLT BATTERIES, WIRED IN SERIES TO EQUAL 48 VOLTS. I...
Robert Larsen 2

framelees solar panel

a customer buy frameless solar panels, anyone know how to install and where the fittings are bought
Preciado Carlos 1

Extremely Long Run Solar Calculation

Hello Everyone! I have a small off-grid, low-amp (3-10) environment cabin, running 12v lights and charging cell phones ...
Jeff King 3

Exposed Wire Protection for Ground Mount Systems

The NEC requires protection for the exposed wiring on ground mount systems.  If the lowest wires are less than 6' off ...
Russell Aney 3

Equipment Groundiong Conductor Size?

I have a small stand alone 12v nominal system with a battery bank. What size wire do I need for the equipment grounding conducto...
James Johnson 2

Equalize Charge Using Direct Panel to Battery Connection

I decided that I wanted to equalize my battery today.  After doing some research about what voltage to do it at I decided t...
Travis A 1

efficiency Pv in series with capacitor to charge a battery or power DC motor

What happens to amps, when charging a battery or powering a motor..   from a 4V circuit of solar cells and a capacitor ...
Terry 2

disimilar ah of batteries in serries

I have imported 24 2v 1000ah agm cells from china but when I unpacked them I found I had 12 1000 ah cells and 12 1200ah cells am...
Stephen Smith 1

Did I architect this right ?

I am new to altE and am very pleased with the site and the education available. I will be purchasing a new solar system and...
Peter Emmel 6

cost of 6, 8, and 11 kW installations

Hi all! I'm doing research for a blog and need to know the price of panels, inverters, and installation for 6, 8, ...
Alexander Merigan 0

Cost for an installer to setup a 2.6kw micro inverter system for example

Can someone tell me what an installer would typically charge to install a 2.6kw full system grid tied micro inverter system on a...
Mark Immer 1

Combining Systems

I've got a Xantrex 6048 selling power back to the grid at a point I'll refer to as  the  T.  The 6048 sends power i...
Jon W 1

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